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54 lines
1.2 KiB
54 lines
1.2 KiB
// Running example MDP (see Figure 2, p.6)
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// and DRA for LTL property "(F G finish) & (F risk)" (see Figure 11, p.38)
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mdp
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// MDP M
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module M
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// s=i for state s_i
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s : [0..3];
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[go] s=0 -> (s'=1);
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[safe] s=1 -> 0.7:(s'=0) + 0.3:(s'=2);
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[risk] s=1 -> 0.5:(s'=2) + 0.5:(s'=3);
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[finish] s=2 -> (s'=2);
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[stop] s=3 -> (s'=3);
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[reset] s=3 -> (s'=0);
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endmodule
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// DRA A_ltl for LTL property "(F G finish) & (F risk)"
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// This is encoded as a PRISM module to allow action-based LTL
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// model checking: PRISM only supports state-based LTL currently
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module A_ltl
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// q=i for state q_i
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q : [0..2];
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[go] q=0 -> (q'=0);
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[safe] q=0 -> (q'=0);
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[risk] q=0 -> (q'=1);
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[finish] q=0 -> (q'=0);
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[stop] q=0 -> (q'=0);
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[reset] q=0 -> (q'=0);
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[go] q=1 -> (q'=1);
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[safe] q=1 -> (q'=1);
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[risk] q=1 -> (q'=1);
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[finish] q=1 -> (q'=2);
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[stop] q=1 -> (q'=1);
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[reset] q=1 -> (q'=1);
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[go] q=2 -> (q'=1);
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[safe] q=2 -> (q'=1);
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[risk] q=2 -> (q'=1);
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[finish] q=2 -> (q'=2);
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[stop] q=2 -> (q'=1);
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[reset] q=2 -> (q'=1);
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endmodule
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// Accepting pair (L_1,K_1) = ({q_1},{q_2}) for the DRA
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label "L1" = q=1;
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label "K1" = q=2;
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